857702210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{2791}}^1$

素因数の和:3266

約数の個数: 32

約数和(自身を含む): 1567987200

約数和(自身を除く): 710284990

約数列:

[1, 2, 5, 10, 79, 158, 389, 395, 778, 790, 1945, 2791, 3890, 5582, 13955, 27910, 30731, 61462, 153655, 220489, 307310, 440978, 1085699, 1102445, 2171398, 2204890, 5428495, 10856990, 85770221, 171540442, 428851105, 857702210]

約数ペア:

[(1, 857702210), (2, 428851105), (5, 171540442), (10, 85770221), (79, 10856990), (158, 5428495), (389, 2204890), (395, 2171398), (778, 1102445), (790, 1085699), (1945, 440978), (2791, 307310), (3890, 220489), (5582, 153655), (13955, 61462), (27910, 30731)]